{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x28c94fe67afa3e44aa07a1a0c11b973937f55cd281b5c6ddeccd7444d116d820",
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}